Math does not take probe attenuation into account

[IPerino]

Environment:

• OS: Windows 10
• FW Version
• SW Scopy 1.4.1-f4beeb1

Describe the bug
When using 10x probes, the Math seems not to take into account. Then, you have always to make 10t0 first, to replicate the channel with the 10x probe and then make the math over it. For example: if you need to substract an offset of 1.65Vm you have to make 10t0 - 1.65.

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. ...
4. See error

Expected behavior
The Math should consider the current channel vertical axis scale including the probe attenuation.

Screenshots
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Additional context

The ini files might be useful to reproduce the error.
The ini file is located at: C:/Users/ali/AppData/Roaming/ADI/Scopy.ini
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